Home / 912,852.42-1,259,430.39-525,659.52

Finding the Fourth Proportional to 912,852.42, 1,259,430.39 and 525,659.52

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Solution

The fourth proportional to 912,852.42, 1,259,430.39 and 525,659.52 is: 725,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,852.42 : 1,259,430.39 = 525,659.52 : x
  2. Step 2: Convert to fraction form
    912,852.42/1,259,430.39 = 525,659.52/x
  3. Step 3: Cross multiply
    912,852.42x = 1,259,430.39 × 525,659.52
  4. Step 4: Simplify right side
    912,852.42x = 662,031,574,280.81
  5. Step 5: Solve for x
    x = 662,031,574,280.81/912,852.42
  6. Step 6: Final answer
    x = 725,233.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.